import './index.less'
import React, { Component } from 'react'
import store from '../../redux/store'
import { Button } from 'antd';
import { createIncrementAction, createDecrementAction, createIncrementAsyncAction } from '../../redux/count_action'


// import { DownOutlined } from '@ant-design/icons';

export default class Count extends Component {

    constructor(props) {
        super(props);
        this.state = {
            num: 1,
        }
    }

    increment = () => {
        const { value } = this.selectNumber
        store.dispatch(createIncrementAction(value * 1))
    }
    decrement = () => {
        const { value } = this.selectNumber
        store.dispatch(createDecrementAction(value * 1))
    }
    incrementIfOdd = () => {
        const { value } = this.selectNumber
        const count = store.getState()
        if (count % 2 != 0) {
            store.dispatch(createIncrementAction(value * 1))
        }
    }
    incrementAsync = () => {
        const { value } = this.selectNumber
        store.dispatch(createIncrementAsyncAction(value * 1, 500))
    }



    render() {
        return (
            <div>
                <h1>当前和为：{store.getState()}</h1>
                <select ref={c => this.selectNumber = c}>
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <option value="3">3</option>
                </select>&nbsp;
                <Button type="primary" onClick={this.increment}>+</Button>&nbsp;
                <Button type="primary" onClick={this.decrement}>-</Button>&nbsp;
                <Button type="primary" onClick={this.incrementIfOdd}>和为奇数再加</Button>&nbsp;
                <Button type="primary" onClick={this.incrementAsync}>异步加</Button>&nbsp;
            </div>
        )
    }
}
